Colorado Interstate Gas Company

First Revised Volume No. 1

Effective Date: 06/01/2010, Docket: RP10-689-000, Status: Effective

Eighth Revised Sheet No. 8B Eighth Revised Sheet No. 8B

Superseding: Seventh Revised Sheet No. 8B

STATEMENT OF RATES FOR TRANSPORTATION/STORAGE OF NATURAL GAS

(Continued)

Rates per Dth

(Note 1)

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Rate Schedule Minimum Maximum

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FS-1: (Note 12)

Reservation Rates -

Storage Capacity Rate(Monthly Rate)(Note 6)....... $0.0000 $0.1947

Reservation Rate (Monthly Rate)(Note 6)........... $0.0000 $1.1482

Hourly Rates of Flow Option(Monthly Rate)(Note 6). $0.0000 $0.2902

Quantity Injection Rate............................. $0.0110 $0.0110

Quantity Withdrawal Rate............................ $0.0110 $0.0110

Daily Authorized Injection/Withdrawal Overrun Rate.. $0.0110 $0.6020

Authorized Storage Capacity Overrun Rate............ $0.0110 $0.6020

FS-Y: (Note 12)

Reservation Rates -

Storage Capacity Rate (Monthly Rate)(Note 6)...... $0.0000 $0.0577

Reservation Rate (Monthly Rate)(Note 6)........... $0.0000 $1.5298

Quantity Injection Rate............................. $0.0196 $0.0196

Quantity Withdrawal Rate............................ $0.0196 $0.0196

Daily Authorized Injection/Withdrawal Overrun Rate.. $0.0393 $0.1351

Authorized Storage Capacity Overrun Rate............ $0.0393 $0.1351